/Engine/Source/Editor/Sequencer/Public/ISequencer.h
Attempt to locate the sub section that relates to the specified sequence ID.
[UMovieSceneSubSection](API\Runtime\MovieScene\Sections\UMovieSceneSubSection) * FindSubSection ( [FMovieSceneSequenceID](API\Runtime\MovieScene\FMovieSceneSequenceID) SequenceID ) const